(In reply to Michel Dänzer from comment #15)
> (In reply to Diego Viola from comment #14)
> > I can't reproduce the issue if I startx with LIBGL_ALWAYS_SOFTWARE=1.
> 
> How exactly did you set that? Normally, I'd expect it to only affect
> clients, not the X server.
> 
> Are you using a compositing manager?

In my TT1:

export LIBGL_ALWAYS_SOFTWARE=1

then startx after that.

When I'm on X, I open an xterm and LIBGL_ALWAYS_SOFTWARE=1 will be set, glxinfo
also reports llvmpipe.

I'm using i3-wm, no I don't use a compositing manager.